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Diffstat (limited to 'src/core/hle/kernel/k_code_memory.h')
-rw-r--r-- | src/core/hle/kernel/k_code_memory.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/core/hle/kernel/k_code_memory.h b/src/core/hle/kernel/k_code_memory.h new file mode 100644 index 000000000..e0ba19a53 --- /dev/null +++ b/src/core/hle/kernel/k_code_memory.h @@ -0,0 +1,66 @@ +// Copyright 2021 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include "common/common_types.h" +#include "core/device_memory.h" +#include "core/hle/kernel/k_auto_object.h" +#include "core/hle/kernel/k_light_lock.h" +#include "core/hle/kernel/k_page_linked_list.h" +#include "core/hle/kernel/k_process.h" +#include "core/hle/kernel/slab_helpers.h" +#include "core/hle/kernel/svc_types.h" +#include "core/hle/result.h" + +namespace Kernel { + +enum class CodeMemoryOperation : u32 { + Map = 0, + MapToOwner = 1, + Unmap = 2, + UnmapFromOwner = 3, +}; + +class KCodeMemory final + : public KAutoObjectWithSlabHeapAndContainer<KCodeMemory, KAutoObjectWithList> { + KERNEL_AUTOOBJECT_TRAITS(KCodeMemory, KAutoObject); + +public: + explicit KCodeMemory(KernelCore& kernel_); + + ResultCode Initialize(Core::DeviceMemory& device_memory, VAddr address, size_t size); + void Finalize(); + + ResultCode Map(VAddr address, size_t size); + ResultCode Unmap(VAddr address, size_t size); + ResultCode MapToOwner(VAddr address, size_t size, Svc::MemoryPermission perm); + ResultCode UnmapFromOwner(VAddr address, size_t size); + + bool IsInitialized() const { + return m_is_initialized; + } + static void PostDestroy([[maybe_unused]] uintptr_t arg) {} + + KProcess* GetOwner() const { + return m_owner; + } + VAddr GetSourceAddress() const { + return m_address; + } + size_t GetSize() const { + return m_is_initialized ? m_page_group.GetNumPages() * PageSize : 0; + } + +private: + KPageLinkedList m_page_group{}; + KProcess* m_owner{}; + VAddr m_address{}; + KLightLock m_lock; + bool m_is_initialized{}; + bool m_is_owner_mapped{}; + bool m_is_mapped{}; +}; + +} // namespace Kernel |